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18 results on '"Richolt, Jens A"'

6. Contributors

Author

Stella Atkins, M., primary, Ayache, Nicholas, additional, N. Bankman, Isaac, additional, Barr, Alan H., additional, Bezdek, James C., additional, Blu, Thierry, additional, Boyd, Norman F., additional, Byng, Jeffrey W., additional, Cahoon, Tobias C., additional, Chakraborty, Amit, additional, Chao, Edmund Y.S., additional, Cosman, Pamela, additional, Crivello, Fabrice, additional, Dahlbom, Magnus, additional, Davatzikos, Christos, additional, Dersch, Dominik R., additional, Dolecek, Quentin E., additional, Duncan, James S., additional, Eddy, William F., additional, Elias, John J., additional, Fetter, Joan E., additional, Fleischer, Kurt W., additional, Fox, Peter T., additional, Frassica, Frank J., additional, Goldszal, Alberto F., additional, Gray, Robert, additional, Grimson, Eric, additional, Hata, Nobuhiko, additional, Hawkes, David J., additional, Hill, Derek L.G., additional, Holland, Robert L., additional, (Henry) Huang, Sung-Cheng, additional, Huang, H.K., additional, Huda, Walter, additional, Inoue, Nozomu, additional, Jezzard, Peter, additional, Jiang, Yulei, additional, Johnson, Roger, additional, Johnson, Christopher R., additional, Joliot, Marc, additional, Kaufman, Arie E., additional, Kerwin, William S., additional, Kikinis, Ron, additional, Knowlton, Robert, additional, Knutsson, Hans, additional, Kordelle, Jens, additional, Kovalev, Vassili A., additional, Laidlaw, David H., additional, Laine, Andrew, additional, Lancaster, Jack L., additional, Livnat, Yarden, additional, Lou, Shyh-Liang, additional, Mackiewich, Blair T., additional, Mazoyer, Bernard, additional, McInerney, Tim, additional, Millis, Michael B., additional, Olshen, Richard, additional, Osman, Nael F., additional, Paranjape, Raman B., additional, Parker, Steven G., additional, Pavlopoulos, Sotiris, additional, Pennec, Xavier, additional, Petrou, Maria, additional, Pham, Dzung L., additional, Pietka, Ewa, additional, Prince, Jerry L., additional, Qian, Wei, additional, Ratib, Osman, additional, Richolt, Jens A., additional, Robb, Richard A., additional, Rogowska, Jadwiga, additional, Schultz, Robert T., additional, Solaiyappan, Meiyappan, additional, Spisz, Thomas S., additional, Staib, Lawrence H., additional, Summers, Ronald M., additional, Sutton, Melanie A., additional, Terzopoulos, Demetri, additional, Thévenaz, Philippe, additional, Thirion, Jean-Philippe, additional, M. Thompson, Paul, additional, Toga, Arthur W., additional, Tzourio-Mazoyer, Nathalie, additional, Unser, Michael, additional, Van Herk, Marcel, additional, Vietze, Frank, additional, Wang, Jun, additional, Westin, Carl-Fredrik, additional, Wismüller, Axel, additional, Wong, Albert, additional, Woods, Roger P., additional, Xu, Chenyang, additional, Yaffe, Martin J., additional, Yanek, Stephen P., additional, Young, Terence K., additional, Zeng, Xiaolan, additional, and Zheng, Bin, additional

Published
2000
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8. Femoral Morphology Due to Impingement Influences the Range of Motion in Slipped Capital Femoral Epiphysis

Author

Mamisch, Tallal, Kim, Young-Jo, Richolt, Jens, Millis, Michael, Kordelle, Jens, Mamisch, Tallal, Kim, Young-Jo, Richolt, Jens, Millis, Michael, and Kordelle, Jens

Abstract

Femoroacetabular impingement due to metaphyseal prominence is associated with the slippage in patients with slipped capital femoral epiphysis (SCFE), but it is unclear whether the changes in femoral metaphysis morphology are associated with range of motion (ROM) changes or type of impingement. We asked whether the femoral head-neck junction morphology influences ROM analysis and type of impingement in addition to the slip angle and the acetabular version. We analyzed in 31 patients with SCFE the relationship between the proximal femoral morphology and limitation in ROM due to impingement based on simulated ROM of preoperative CT data. The ROM was analyzed in relation to degree of slippage, femoral metaphysis morphology, acetabular version, and pathomechanical terms of "impaction” and "inclusion.” The ROM in the affected hips was comparable to that in the unaffected hips for mild slippage and decreased for slippage of more than 30°. The limitation correlated with changes in the metaphysic morphology and changed acetabular version. Decreased head-neck offset in hips with slip angles between 30° and 50° had restricted ROM to nearly the same degree as in severe SCFE. Therefore, in addition to the slip angle, the femoral metaphysis morphology should be used as criteria for reconstructive surgery

Published
2018

14. Planning and evaluation of reorienting osteotomies of the proximal femur in cases of SCFE using virtual three-dimensional models.

Author

Goos, Gerhard, Hartmanis, Juris, Leeuwen, Jan, Wells, William M., Colchester, Alan, Delp, Scott, Richolt, Jens A., Teschner, Matthias, Everett, Peter, Girod, Bernd, Millis, Michael B., and Kikinis, Ron

Abstract

Slipped Capital Femoral Epiphysis (SCFE) is a disease affecting the geometry of adolescent hips. Evaluation of the slippage as well planning of correction surgeries is a major three-dimensional problem. Therefore, the current clinical approach, which is based on biplanar plain radiographs, is not satisfying. We have developed a software environment for planning and evaluation of reorienting osteotomies in severe cases of SCFE. In our system CT-based virtual surface models fitted by oriented bounding boxes (OBB) are manipulated. The hip motion as well as a correction surgery can be simulated. Both are controlled by collision detection. Therefore, the motion is based on the surface geometry of the joint partners rather than on a predefined, fixed rotation center. The pre- and simulated postoperative evaluation uses the range of motion as the essential parameter. The surgeon can obtain valuable information about the geometric correlation of the physiologic joint faces along hip motion. [ABSTRACT FROM AUTHOR]

Published
1998
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15. Range of motion after computed tomography-based simulation of intertrochanteric corrective osteotomy in cases of slipped capital femoral epiphysis: comparison of uniplanar flexion osteotomy and multiplanar flexion, valgisation, and rotational osteotomies.

Author

Mamisch TC, Kim YJ, Richolt J, Zilkens C, Kikinis R, Millis M, Kordelle J, Mamisch, Tallal Charles, Kim, Young-Jo, Richolt, Jens, Zilkens, Christoph, Kikinis, Ron, Millis, Michael, and Kordelle, Jens

Published
2009
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17. Contributors

Author

Atkins, M. Stella, Ayache, Nicholas, Bankman, Isaac N., Barr, Alan H., Bezdek, James C., Blu, Thierry, Boyd, Norman F., Byng, Jeffrey W., Cahoon, Tobias C., Chakraborty, Amit, Chao, Edmund Y.S., Cosman, Pamela, Crivello, Fabrice, Dahlbom, Magnus, Davatzikos, Christos, Dersch, Dominik R., Dolecek, Quentin E., Duncan, James S., Eddy, William F., Elias, John J., Fetter, Joan E., Fleischer, Kurt W., Fox, Peter T., Frassica, Frank J., Goldszal, Alberto F., Gray, Robert, Grimson, Eric, Hata, Nobuhiko, Hawkes, David J., Hill, Derek L.G., Holland, Robert L., (Henry) Huang, Sung-Cheng, Huang, H.K., Huda, Walter, Inoue, Nozomu, Jezzard, Peter, Jiang, Yulei, Johnson, Roger, Johnson, Christopher R., Joliot, Marc, Kaufman, Arie E., Kerwin, William S., Kikinis, Ron, Knowlton, Robert, Knutsson, Hans, Kordelle, Jens, Kovalev, Vassili A., Laidlaw, David H., Laine, Andrew, Lancaster, Jack L., Livnat, Yarden, Lou, Shyh-Liang, Mackiewich, Blair T., Mazoyer, Bernard, McInerney, Tim, Millis, Michael B., Olshen, Richard, Osman, Nael F., Paranjape, Raman B., Parker, Steven G., Pavlopoulos, Sotiris, Pennec, Xavier, Petrou, Maria, Pham, Dzung L., Pietka, Ewa, Prince, Jerry L., Qian, Wei, Ratib, Osman, Richolt, Jens A., Robb, Richard A., Rogowska, Jadwiga, Schultz, Robert T., Solaiyappan, Meiyappan, Spisz, Thomas S., Staib, Lawrence H., Summers, Ronald M., Sutton, Melanie A., Terzopoulos, Demetri, Thévenaz, Philippe, Thirion, Jean-Philippe, Thompson, Paul M., Toga, Arthur W., Tzourio-Mazoyer, Nathalie, Unser, Michael, Van Herk, Marcel, Vietze, Frank, Wang, Jun, Westin, Carl-Fredrik, Wismüller, Axel, Wong, Albert, Woods, Roger P., Xu, Chenyang, Yaffe, Martin J., Yanek, Stephen P., Young, Terence K., Zeng, Xiaolan, and Zheng, Bin

Published
2009
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18. Femoral Morphology Due to Impingement Influences the Range of Motion in Slipped Capital Femoral Epiphysis

Author

Mamisch, Tallal, Kim, Young-Jo, Richolt, Jens, Millis, Michael, Kordelle, Jens, Mamisch, Tallal, Kim, Young-Jo, Richolt, Jens, Millis, Michael, and Kordelle, Jens

Abstract

Femoroacetabular impingement due to metaphyseal prominence is associated with the slippage in patients with slipped capital femoral epiphysis (SCFE), but it is unclear whether the changes in femoral metaphysis morphology are associated with range of motion (ROM) changes or type of impingement. We asked whether the femoral head-neck junction morphology influences ROM analysis and type of impingement in addition to the slip angle and the acetabular version. We analyzed in 31 patients with SCFE the relationship between the proximal femoral morphology and limitation in ROM due to impingement based on simulated ROM of preoperative CT data. The ROM was analyzed in relation to degree of slippage, femoral metaphysis morphology, acetabular version, and pathomechanical terms of "impaction” and "inclusion.” The ROM in the affected hips was comparable to that in the unaffected hips for mild slippage and decreased for slippage of more than 30°. The limitation correlated with changes in the metaphysic morphology and changed acetabular version. Decreased head-neck offset in hips with slip angles between 30° and 50° had restricted ROM to nearly the same degree as in severe SCFE. Therefore, in addition to the slip angle, the femoral metaphysis morphology should be used as criteria for reconstructive surgery

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